The invention discloses a siphon-type airbrush, comprising a front handle, a tail handle, a needle, a sprayer, a nozzle, an air inlet valve and a nozzle base. The front handle is matched and connected with the tail handle to form an airbrush body. The airbrush body is internally formed with an accommodating cavity. The accommodating cavity is internally provided with the needle. The front handle is internally provided with a siphon channel. The air inlet valve is disposed at the middle part of the airbrush body. The rear end of the nozzle base is in threaded connection with the front handle. The front end of the nozzle base is in threaded connection with the sprayer. The nozzle comprises a nozzle body; the nozzle body is pressed between the sprayer and the nozzle base; the front end of the nozzle body extends to form a nozzle tip; and an axial through-hole is disposed in the center of the nozzle base. The siphon channel communicates with the axial through-hole. The front end of the needle passes through the a